Features: High power output: With a power output of 14W, it can provide sufficient volume and dynamic ranges. Low noise design: Adopting professional noise control technology to ensure clear audioed signals and minimize background noise interference. Convenient finished product: This product is a finished amplifier board, which is convenient for users to use directly without the need for self assembly and debugging. Double channel design: Supports 2.0channel output and can connect two audioed devices or speakers simultaneously to achieve stereo effects. Wide power input ranges: suitable for 12V power supply, compatibility with various power devices, convenient for use and installation. Stability and durability: Using high-quality electronic components and processes, it has stability and reliability, as well as a long service life. Specifications: Material: PCB+Metal Size: Approx. 8x5.5x6cm/3.15x2.17x2.36inch Model: TDA7266 Working Voltage: DC12V 2A Output Power: 14W Power Amplifier Chip: TDA7266 Package Includes: 1 Piece DX-7266 14W Power Amplifier Board note: The output horn must not be short circuited, otherwise it will burn out the amplifier tube. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.